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v3.21.1

Minimum capital requirements (Details) $ in Thousands | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
--- | --- | ---
FB Financial Corporation |  |
Total Capital (to risk-weighted assets) |  |
Actual, Amount | $ 1,358,897 | $ 633,549
Actual, Ratio | 0.150 | 0.122
Minimum Capital adequacy with capital buffer, Amount | $ 952,736 | $ 545,268
Minimum Capital adequacy with capital buffer, Ratio | 0.105 | 0.105
Tier 1 Capital (to risk-weighted assets) |  |
Actual, Amount | $ 1,090,364 | $ 602,410
Actual, Ratio | 0.120 | 0.116
Minimum Capital adequacy with capital buffer, Amount | $ 771,262 | $ 441,421
Minimum Capital adequacy with capital buffer, Ratio | 8.50% | 8.50%
Tier 1 Capital (to average assets) |  |
Actual, Amount | $ 1,090,364 | $ 602,410
Actual, Ratio | 0.100 | 0.101
Minimum Capital adequacy with capital buffer, Amount | $ 435,064 | $ 238,578
Minimum Capital adequacy with capital buffer. Ratio | 0.040 | 0.0400
Common Equity Tier 1 Capital (to risk-weighted assets) |  |
Actual, Amount | $ 1,060,364 | $ 572,410
Actual Ratio | 11.70% | 11.10%
Minimum Capital adequacy with capital buffer, Amount | $ 635,157 | $ 360,979
Minimum Capital adequacy with capital buffer, Ratio | 0.070 | 0.070
FirstBank |  |
Total Capital (to risk-weighted assets) |  |
Actual, Amount | $ 1,353,279 | $ 623,432
Actual, Ratio | 0.149 | 0.121
Minimum Capital adequacy with capital buffer, Amount | $ 951,327 | $ 540,995
Minimum Capital adequacy with capital buffer, Ratio | 0.105 | 0.105
To be well capitalized under prompt corrective action provisions, Amount | $ 906,026 | $ 515,233
To be well capitalized under prompt corrective action provisions, Ratio | 0.100 | 0.100
Tier 1 Capital (to risk-weighted assets) |  |
Actual, Amount | $ 1,142,548 | $ 592,293
Actual, Ratio | 0.126 | 0.115
Minimum Capital adequacy with capital buffer, Amount | $ 770,122 | $ 437,782
Minimum Capital adequacy with capital buffer, Ratio | 8.50% | 8.50%
To be well capitalized under prompt corrective action provisions Amount | $ 724,820 | $ 412,030
To be well capitalized under prompt corrective action provisions Ratio | 0.080 | 0.080
Tier 1 Capital (to average assets) |  |
Actual, Amount | $ 1,142,548 | $ 592,293
Actual, Ratio | 0.105 | 0.099
Minimum Capital adequacy with capital buffer, Amount | $ 435,279 | $ 239,310
Minimum Capital adequacy with capital buffer. Ratio | 0.040 | 0.0400
To be well capitalized under prompt corrective action provisions, Amount | $ 544,098 | $ 299,138
To be well capitalized under prompt corrective action provisions, Ratio | 0.050 | 0.050
Common Equity Tier 1 Capital (to risk-weighted assets) |  |
Actual, Amount | $ 1,142,548 | $ 592,293
Actual Ratio | 12.60% | 11.50%
Minimum Capital adequacy with capital buffer, Amount | $ 634,218 | $ 360,526
Minimum Capital adequacy with capital buffer, Ratio | 0.070 | 0.070
To be well capitalized under prompt corrective action provisions, Amount | $ 588,917 | $ 334,774
To be well capitalized under prompt corrective action provisions, Ratio | 6.50% | 6.50%

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- Definition Capital conservation buffer percentage calculated as total risk-based capital ratio after deduction of minimum total risk-based capital ratio as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 + Details
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